ES2841302T3 - Aparato y método para procesar una señal de audio multicanal - Google Patents

Aparato y método para procesar una señal de audio multicanal Download PDF

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Publication number
ES2841302T3
ES2841302T3 ES17726861T ES17726861T ES2841302T3 ES 2841302 T3 ES2841302 T3 ES 2841302T3 ES 17726861 T ES17726861 T ES 17726861T ES 17726861 T ES17726861 T ES 17726861T ES 2841302 T3 ES2841302 T3 ES 2841302T3
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ES
Spain
Prior art keywords
signals
signal
phase
channel
processed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES17726861T
Other languages
English (en)
Spanish (es)
Inventor
Christian Uhle
Michael Kratz
Paul Klose
Timothy Leonard
André Luvizotto
Sebastian Scharrer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Application granted granted Critical
Publication of ES2841302T3 publication Critical patent/ES2841302T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • G10L21/043—Time compression or expansion by changing speed
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005—Reproducing at a different information rate from the information rate of recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
ES17726861T 2016-05-20 2017-05-17 Aparato y método para procesar una señal de audio multicanal Active ES2841302T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16170723 2016-05-20
EP16179531.5A EP3246923A1 (en) 2016-05-20 2016-07-14 Apparatus and method for processing a multichannel audio signal
PCT/EP2017/061895 WO2017198737A1 (en) 2016-05-20 2017-05-17 Apparatus and method for processing a multichannel audio signal

Publications (1)

Publication Number Publication Date
ES2841302T3 true ES2841302T3 (es) 2021-07-08

Family

ID=56080267

Family Applications (1)

Application Number Title Priority Date Filing Date
ES17726861T Active ES2841302T3 (es) 2016-05-20 2017-05-17 Aparato y método para procesar una señal de audio multicanal

Country Status (12)

Country Link
US (1) US11929089B2 (pl)
EP (2) EP3246923A1 (pl)
JP (1) JP6728400B2 (pl)
KR (1) KR102329707B1 (pl)
CN (1) CN109416915B (pl)
AU (1) AU2017266294B2 (pl)
CA (1) CA3023401C (pl)
ES (1) ES2841302T3 (pl)
MX (1) MX386550B (pl)
PL (1) PL3459078T3 (pl)
RU (1) RU2713094C1 (pl)
WO (1) WO2017198737A1 (pl)

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SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
JP2000049614A (ja) * 1998-07-31 2000-02-18 Kobe Steel Ltd 再生装置
US8019598B2 (en) * 2002-11-15 2011-09-13 Texas Instruments Incorporated Phase locking method for frequency domain time scale modification based on a bark-scale spectral partition
US20050137729A1 (en) * 2003-12-18 2005-06-23 Atsuhiro Sakurai Time-scale modification stereo audio signals
US7391870B2 (en) 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
KR101183859B1 (ko) * 2004-11-04 2012-09-19 코닌클리케 필립스 일렉트로닉스 엔.브이. 다중채널 오디오 신호들의 인코딩 및 디코딩
US7957960B2 (en) * 2005-10-20 2011-06-07 Broadcom Corporation Audio time scale modification using decimation-based synchronized overlap-add algorithm
US20070135952A1 (en) 2005-12-06 2007-06-14 Dts, Inc. Audio channel extraction using inter-channel amplitude spectra
US20090137729A1 (en) 2006-03-30 2009-05-28 Hirotaka Uosaki Process for Producing Oriented Film
US7647229B2 (en) * 2006-10-18 2010-01-12 Nokia Corporation Time scaling of multi-channel audio signals
EP1918911A1 (en) * 2006-11-02 2008-05-07 RWTH Aachen University Time scale modification of an audio signal
CN101079265B (zh) * 2007-07-11 2011-06-08 无锡中星微电子有限公司 一种语音信号处理系统
RU2562395C2 (ru) * 2008-03-04 2015-09-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Микширование входящих информационных потоков
WO2010086461A1 (en) * 2009-01-28 2010-08-05 Dolby International Ab Improved harmonic transposition
EP2214165A3 (en) * 2009-01-30 2010-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for manipulating an audio signal comprising a transient event
US8705769B2 (en) * 2009-05-20 2014-04-22 Stmicroelectronics, Inc. Two-to-three channel upmix for center channel derivation
CN101989426B (zh) * 2009-08-05 2012-09-05 立积电子股份有限公司 立体音频解码器以及多工信号解码方法
US8848925B2 (en) * 2009-09-11 2014-09-30 Nokia Corporation Method, apparatus and computer program product for audio coding
EP2362375A1 (en) * 2010-02-26 2011-08-31 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for modifying an audio signal using harmonic locking
KR101698439B1 (ko) * 2010-04-09 2017-01-20 돌비 인터네셔널 에이비 Mdct-기반의 복소수 예측 스테레오 코딩
FR2966634A1 (fr) * 2010-10-22 2012-04-27 France Telecom Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase
EP2705516B1 (en) * 2011-05-04 2016-07-06 Nokia Technologies Oy Encoding of stereophonic signals
EP2710592B1 (en) * 2011-07-15 2017-11-22 Huawei Technologies Co., Ltd. Method and apparatus for processing a multi-channel audio signal
EP2981960B1 (en) 2013-04-05 2019-03-13 Dolby International AB Stereo audio encoder and decoder
SG11201510513WA (en) 2013-06-21 2016-01-28 Fraunhofer Ges Forschung Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver and system for transmitting audio signals
WO2015038578A2 (en) * 2013-09-12 2015-03-19 Dolby Laboratories Licensing Corporation System aspects of an audio codec
CN103714847B (zh) * 2013-12-31 2016-05-04 中山大学花都产业科技研究院 一种基于dsp的多通道数字音频处理器

Also Published As

Publication number Publication date
CN109416915B (zh) 2020-11-24
JP6728400B2 (ja) 2020-07-22
JP2019518988A (ja) 2019-07-04
PL3459078T3 (pl) 2021-05-04
RU2713094C1 (ru) 2020-02-03
CA3023401A1 (en) 2017-11-23
EP3246923A1 (en) 2017-11-22
MX2018014041A (es) 2019-04-01
BR112018073894A2 (pt) 2019-02-26
EP3459078A1 (en) 2019-03-27
WO2017198737A1 (en) 2017-11-23
MX386550B (es) 2025-03-11
AU2017266294A1 (en) 2018-11-29
CN109416915A (zh) 2019-03-01
KR20190013756A (ko) 2019-02-11
US20190066712A1 (en) 2019-02-28
CA3023401C (en) 2022-04-05
EP3459078B1 (en) 2020-11-04
US11929089B2 (en) 2024-03-12
AU2017266294B2 (en) 2019-10-17
KR102329707B1 (ko) 2021-11-22

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